A misfire condition and its corresponding misfire trouble code can be the result one of many different components having failed... that troubleshooting its cause can seem almost impossible. For example, the misfire code could be caused by a bad Coil-on-Plug (COP) ignition coil, or a bad fuel injector, or in one engine cylinder having very low compression, and the list could go on...
According to Spam's website, the canned meat contains only 6 ingredients: already-cooked pork (two different cuts: pork shoulder and ham), salt, water, potato starch (to keep the meat moist), sugar and sodium nitrite (a common preservative).
How long does spam last? The shelf life of canned meat depends on a variety of factors, such as the best before date, the preparation method and how the canned meats are stored. Since fresh meats have rather short shelf lives, canned meats like spam and chicken prove practical to have on hand and available at any time.